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Solvation Interactions of Tetrapyridylporphyrin Derivatives in Aqueous Solutions

Mikhail B. Berezin,a Nadezhda M. Berezina,b@ Mikhail I. Bazanov,b and Alexander S. Semeikinb

aInstitute of Solution Chemistry of Russian Academy of Sciences, 153045 Ivanovo, Russia

bIvanovo State University of Chemistry and Technology, 153000 Ivanovo, Russia


@Corresponding author E-mail:


DOI: 10.6060/mhc2011.1.05


Enthalpies of dissolution of tetrapyridylporphyrin (TPyP) derivatives, in which the pyridine nitrogen is located in para-, meta- or ortho-positions and is modified by nonpolar (-CH3,-C2H5,-C3H7), polar (-CH2COOH, -CH2CH2COOH) and low-polar (-CH2COOC2H5) groups, are determined in water by calorimetric method for the first time. The factors, making considerable impact in enthalpies of dissolution of the studied compounds in water, are revealed.


Keywords: Tetrapyridylporphyrin, dissolution enthalpies, interparticle interaction.


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